Retail Solutions

Magnet Detection

Magnet and Metal Detection

Booster Bag Detection: Hyperguard

Detects booster bags and stops shoplifters before they can make their move.

Since 1999, over 100,000 Hyperguard devices have been deployed by retail chains worldwide to detect booster bags used by habitual thieves. This proven solution, patented and made by our partners at Alert Systems in Denmark, not only successfully detects foil-lined bags used in shoplifting, but thanks to its advanced algorithms it virtually eliminates false alarms from moving doors or shopping carts.

hyperguard metal magnet detection

Hyperguard is available as a standalone pedestal, or it can be integrated into an EAS system, adjusting itself automatically to either AM or RF EAS environment.

Hyperguard uses Cat5e cables for easy installation, and can push power from the controller to up to 11 antennas.  The hardware is made in Europe of high quality materials.

What’s a booster bag?

A booster bag is a shopping bag lined with tin foil, used by shoplifters to steal merchandise without getting detected by the store’s anti-theft (EAS) systems. The shoplifter brings the bag into the store, and fills it with merchandise. The merchandise often has anti-theft tags attached to it somewhere that would normally get detected by the anti-theft antennas at the store entrance, triggering an alarm. But the tin foil lining blocks the signal from the antennas, allowing the shoplifter to carry out the theft unnoticed. Hyperguard prevents this scenario by detecting the booster bag itself as soon as the would-be thief walks into the store.

Magnet Detection: Apparelguard

Detects metal detachers and catches the shoplifters in the act.

Apparelguard uses a patented double-detection system to alert store staff that an illegal detacher is present in the store. Typically installed in the fitting rooms, the Apparelguard senses magnetic motion coming from an EAS tag being removed by the shoplifter, giving the store staff an opportunity to prevent the theft while the merchandise is still in the fitting room, far from the store exit.

Small EAS security box mounted to the wall of a fitting room.

Apparelguard is easy to install and maintain, and its software allows for tuning to different types of magnetic detachers, providing wide protection.  It uses 3 dry relay contacts as alarm outputs, for light, sound, pager or CCTV. Additionally, API integration with an existing EAS controller is also available.

Apparelguard uses Cat5e cables for easy installation, and can push power from the controller to up to 11 antennas.  The hardware is made in Europe of high quality materials.

How are magnets used in shoplifting?

Retailers that use EAS (anti-theft) tags on their merchandise, need to remove them at the register when an honest shopper completes the purchase. Typically, a specialty magnetic detacher is used for this purpose, which the retailer gets from their security technology partner, like CONTROLTEK. Thieves sometimes obtain these detachers by stealing them or by buying them from irresponsible sellers. Armed with a detacher, a shoplifter can remove the security tags while in the store, then walk out without triggering the anti-theft alarm at the door. The Apparelguard can prevent this problem by detecting the illegal magnets in the fitting rooms, where the shoplifters usually try to remove tags.

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LP Professional Services

LP Professional Services

We want to make our customers’ lives easier. We have assembled a team of retail and technology experts who know how to make a new loss prevention solution work in the retail environment. To better serve our customers, we now offer Virtual Site Surveys for examining the best loss prevention solution for your store, virtually!

Working With Your IT Department

Nothing can slow down the deployment of new loss prevention services like the IT approval processes. Fortunately, our technology and retail veterans have been through the process many times before, and can help in filling out the documents, risk assessment and threat analysis. We speak the same language as your IT department and can work with them side-by-side to assist in the deployment of your new loss prevention solution so that you can concentrate on your work and not worry about the technical side of things.

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ROI Analysis and Documentation

To help you win the approval and budget in the boardroom, we use industry data to help create an ROI argument for your new loss prevention solution. Through use cases and ROI calculations, we can help your organization understand how the investment will impact the bottom line in expected and often unexpected ways: from lower shrink, to better inventory management, merchandise availability and the resulting sales lift and customer retention.

During the deployment, our Professional Services team is with you every step of the way to help ensure that the process is as smooth as possible and that you receive the ROI you expect.

Loss Prevention Training of Your Associates

CONTROLTEK knows that one of the keys to a successful adoption of a new loss prevention service is training. We work directly with your LP/AP team or training department to develop retail loss prevention training materials on proper application and removal of tags, use of systems and any other solutions. Our Professional Services team is ready to help throughout the process with videos, cheat sheets and webinars, and they are available to answer questions as they come up.

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Security and Operational Supplies

In addition to our core product offerings, CONTROLTEK also provides the much-needed but often overlooked security and operational supplies. If you don’t see what you are looking for, contact your CONTROLTEK representative and we will be happy to source it for you.

Security Labels


Enhanced performance, tamper-evident label seal. Shows a unique void message when removed or tampered with. Can be used on ATM cassettes, drawers, file cabinets, electronic equipment, more. Suited for use on most surfaces including metal, glass, wood, plastic and paper. Sequential numbers and barcodes for tracking. Handy dispenser box.



Security Tape


Tamper evident box sealing tape with highly aggressive adhesive contains a hidden void message which reads “OPENED” when removed or tampered with.



Custom Security Packaging Solutions

Industrial Custom Security Packaging Solutions

CONTROLTEK currently stocks over 70 different types of security bags. If your specific needs require a unique one we don’t currently have, we can custom-design a solution for you.

Flexibility in Size, Colors, Printing, Security Features and Strength

CONTROLTEK’s bags can be made of clear or opaque material, with a choice of colors (black and white being the most popular). We can print your custom graphics on the bags, including your logo and any special verbiage you require. Further customizations can include a specific size, number of pockets and the level of security (tamper-evident features) that best suit your needs. We can also offer different thicknesses (strengths) of plastic depending on your particular application. For all custom projects, please note that a minimum quantity applies.

Assortment of coin bags, security bags, cash bags, and security packaging laid out on a white background.
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Custom Fulfillment Plans

Whether you purchase security bags by a pallet, or need a partner who can directly ship to hundreds of individual locations for you at a pre-defined frequency, CONTROLTEK can help. We supply banks and retail chains of varying sizes, and have many flexible fulfillment options. Our distribution center near Chicago boasts over half a million square feet, enabling us quick and efficient way to ship any quantity of bags anywhere in the country.

Reporting and Usage Monitoring

To help you run your operations smoothly while staying on budget, CONTROLTEK offers several reporting options that can include quarterly account review and customized online portal. With the quarterly review, your CONTROLTEK representative can offer usage analysis and help you forecast optimal quantities and order frequency. With a customize online portal, you can run reports yourself whenever you need to, place orders, track shipments and assign different level access to your staff.

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Dedicated Representative

Fanatical service is one of our key commitments to our clients. That’s why we assign you a dedicated representative who will know you by name, and whom you contact directly any time you have a question or request.

Quality Guarantee

Exceeding client expectations in product quality is how we have become a top supplier of security packaging in the U.S. All our bags are guaranteed to perform as promised. If at any time you receive a product that does not meet your approval, we will issue you a refund or replace the product with no hesitation.

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Security Seals

CONTROLTEK offers security seals for countless applications: from trucks, to equipment lockers, to fire exits, to shipping containers.  Different styles, materials and colors are available.”

Security Seals and Tape


  • ArrowLok ATM Seal
  • J-Lok Pull-Tight Seal
  • BagLok Bag Seal
  • GripLok Metal Seal
  • M-Lok Padlock-Style Seal
  • TransLok All-Purpose Seal
  • ShurLok Shipping Seal
  • TieLok Nylon Tie
  • BoltSeal
  • CableSeal
  • Plastic SimpleSeal
  • TapeLok Tamper-Evident Tape
  • LabelSafe Tamper-Evident Label


Banking Supplies

In addition to our core product offerings, CONTROLTEK also provides a variety of security and operational supplies for the banking industry. If you don’t see what you are looking for, please contact us and we will be happy to source it for you.

Coin and Currency Handling


  • Coin Wrappers
  • Crimped Coin Wrappers
  • Currency Straps
  • High-Speed Supplies
  • Automatic Coin Rolls
  • Coin Boxes
  • Coin Trays
  • Coin and Currency Racks


Reusable Bags


  • Locking Deposit Bags
  • Vinyl Zipper Bags
  • Reusable Mailing Envelopes
  • Canvas Bags
  • ID Labels and Tags


Teller and POS Supplies


  • Ink Cartridges
  • Thermal Rolls
  • Ink Ribbons


ATM Supplies


  • Thermal Rolls
  • Ink Ribbons
  • Ink Cartridges